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In lugnet.org.ca.rtltoronto, Rob Antonishen wrote:
> Well, it looks like in the 11th hour I'm going to have to abandon my
> differential drive for Project Y....there is WAY too much play in the
> differential gear train, which makes tracking the light with the whole
> bot virtually impossible...
>
> As my S.O. loving puts it... "it lurches around like it's drunk!"
>
> Guess tonight I'll gut it and replace it with a boring old A/B drive.
> Good thing I coded so all I should have to change is some drive declares
> and some tuning parameters :)
>
> GRRRR.
>
> If that doesn't work it might be time for a last minute rebuild (nothing
> like a cram session).
>
> -Rob A>
I found with my trial adder/subtractor that the play in the gearing was just
unreasonable--sure, when the 'bot travels a bit in one direction it's straight,
but that initial few inches--not so much.
no worries about hte AB--I didn't go with synchro, didn't go with add/subtract,
didnt' go with tank treads even... just standard AB... in both 'bots.
So you won't be alone...
Dave K
-who now has to program all night...
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Message has 1 Reply:
 | | Re: Gear lash....
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| (...) Ever have one of those times where it's like "it ran outside the chassis!" then you actually install the bastard and put everything together and it stops working? Last night was one of those times. Sacha had figured out how to make the two (...) (19 years ago, 2-Mar-06, to lugnet.org.ca.rtltoronto)
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Message is in Reply To:
| | Gear lash....
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| Well, it looks like in the 11th hour I'm going to have to abandon my differential drive for Project Y....there is WAY too much play in the differential gear train, which makes tracking the light with the whole bot virtually impossible... As my S.O. (...) (19 years ago, 2-Mar-06, to lugnet.org.ca.rtltoronto)
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